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34 lines
659 B
34 lines
659 B
2 years ago
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package require vtk
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# This script shows the result of an ideal highpass filter in frequency space.
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# Image pipeline
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vtkPNGReader reader
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reader SetFileName "$VTK_DATA_ROOT/Data/fullhead15.png"
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vtkImageFFT fft
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fft SetDimensionality 2
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fft SetInputConnection [reader GetOutputPort]
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#fft DebugOn
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vtkImageButterworthHighPass highPass
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highPass SetInputConnection [fft GetOutputPort]
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highPass SetOrder 2
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highPass SetXCutOff 0.2
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highPass SetYCutOff 0.1
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highPass ReleaseDataFlagOff
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#highPass DebugOn
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vtkImageViewer viewer
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viewer SetInputConnection [highPass GetOutputPort]
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viewer SetColorWindow 10000
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viewer SetColorLevel 5000
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#viewer DebugOn
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viewer Render
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